xref: /openbmc/linux/fs/ext2/symlink.c (revision 367b8112)
1 /*
2  *  linux/fs/ext2/symlink.c
3  *
4  * Only fast symlinks left here - the rest is done by generic code. AV, 1999
5  *
6  * Copyright (C) 1992, 1993, 1994, 1995
7  * Remy Card (card@masi.ibp.fr)
8  * Laboratoire MASI - Institut Blaise Pascal
9  * Universite Pierre et Marie Curie (Paris VI)
10  *
11  *  from
12  *
13  *  linux/fs/minix/symlink.c
14  *
15  *  Copyright (C) 1991, 1992  Linus Torvalds
16  *
17  *  ext2 symlink handling code
18  */
19 
20 #include "ext2.h"
21 #include "xattr.h"
22 #include <linux/namei.h>
23 
24 static void *ext2_follow_link(struct dentry *dentry, struct nameidata *nd)
25 {
26 	struct ext2_inode_info *ei = EXT2_I(dentry->d_inode);
27 	nd_set_link(nd, (char *)ei->i_data);
28 	return NULL;
29 }
30 
31 const struct inode_operations ext2_symlink_inode_operations = {
32 	.readlink	= generic_readlink,
33 	.follow_link	= page_follow_link_light,
34 	.put_link	= page_put_link,
35 #ifdef CONFIG_EXT2_FS_XATTR
36 	.setxattr	= generic_setxattr,
37 	.getxattr	= generic_getxattr,
38 	.listxattr	= ext2_listxattr,
39 	.removexattr	= generic_removexattr,
40 #endif
41 };
42 
43 const struct inode_operations ext2_fast_symlink_inode_operations = {
44 	.readlink	= generic_readlink,
45 	.follow_link	= ext2_follow_link,
46 #ifdef CONFIG_EXT2_FS_XATTR
47 	.setxattr	= generic_setxattr,
48 	.getxattr	= generic_getxattr,
49 	.listxattr	= ext2_listxattr,
50 	.removexattr	= generic_removexattr,
51 #endif
52 };
53